Home
Class 12
PHYSICS
A single slit of width d is placed in th...

A single slit of width d is placed in the path of beam of wavelength `lamda`. The angular width of the principal maximum obtained is-

A

`(d)/(lamda)`

B

`(lamda)/(d)`

C

`(2lamda)/(d)`

D

`(2d)/(lamda)`

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • WAVE OPTICS

    ALLEN|Exercise Exercise 2 (Brain Teasures)|22 Videos

  • WAVE OPTICS

    ALLEN|Exercise Exercise 3 (Miscellaneous type Questions)|27 Videos

  • WAVE OPTICS

    ALLEN|Exercise Example 15|1 Videos

  • UNIT & DIMENSIONS, BASIC MATHS AND VECTOR

    ALLEN|Exercise Exercise (J-A)|7 Videos

Similar Questions

Explore conceptually related problems

(a) Explain two features to distinguish between the interference pattern in Young's double slit experiment with the difference pattern obtained due to a single slit. (b) A monochromatic light of wavelength 500 nm is incident normally on a single slit of width 0.2 nm of produce a diffraction pattern. Find the angular width of the central maximum obtained on the screen. Estimate the number of fringes obtained in Young's double slit experimental with fringe width 0.5 mm , which can be accommodated within the region of total angular spread of the central maximum due to single slit.

A single slit of width a is illuminated by violet light of wavelength 400nm and the width of the diffraction pattern is measured as y. When half of the slit width is covered and illuminated by yellow light of wavelength 600nm , the width of the diffraction pattern is

A monochromatic light of wavelength 500 nm is incident normally on a single slit of width 0.2 mm to produce a diffraction pattern. Find the angular width of central maximum obtained on the screen, 1 m away. Estimate the number of fringes obtained in YDSE with fringe width 0.5 mm , which can be accommodated within the region of total angular spread of the central maximum due to a single slit.

A slit of worth 12 times 10^-7 m is illuminated by light of wavelength 6000A. The angular width of the central maximum is approximately-

Light of wavelength lamda is incident on a slit width d. The resulting diffraction pattern is observed on a screen at a distance D. The linear width of the principal maximum is then equal to the width of the slit if D equals

Light of wavelength lamda is incident on a slit of width d. the resulting diffraction pattern is observed on a screen at a distance D. the linear width of the principal maximum is, then equal to the width of the slit if D equals

ALLEN-WAVE OPTICS-Exercise 1 (Check your Grasp)
  1. which of the following any gives more distinct diffraction

    Text Solution

    |

  2. All fringes of diffraction are of-

    Text Solution

    |

  3. A single slit of width d is placed in the path of beam of wavelength l...

    Text Solution

    |

  4. Direction of the first secondary maximum in the Fraunhofer diffraction...

    Text Solution

    |

  5. Angular width (beta) of central maximum of a diffraction pattern on a ...

    Text Solution

    |

  6. Red light is generally used to observe diffraction pattern from single...

    Text Solution

    |

  7. Calculate angular width of central maxima if lamda=6000Å,a=18xx10^(-5)...

    Text Solution

    |

  8. In single slit fraunhoffer diffraction which type of wavefront is requ...

    Text Solution

    |

  9. In the diffractin pattern of a single slit aperture, the width of the ...

    Text Solution

    |

  10. Central fringe obtained in diffraction pattern due to a single slit-

    Text Solution

    |

  11. In a single slit diffraction pattern, if the light source is used of l...

    Text Solution

    |

  12. In the laboratory, diffraction of light by a single slit is being obse...

    Text Solution

    |

  13. Find the half angular width of the central bright maximum in the fraun...

    Text Solution

    |

  14. In a fraunhofer's diffraction by a slit, if slit width is a, wave leng...

    Text Solution

    |

  15. In a fraunhofer's diffraction obtained by a single slit aperture, the ...

    Text Solution

    |

  16. A polariser in used to

    Text Solution

    |

  17. Light waves can be polarised as they are

    Text Solution

    |

  18. Through which character we can distiguish the light waves from sound w...

    Text Solution

    |

  19. The angle of polarisation for any medium is 60^@. What will be critica...

    Text Solution

    |

  20. The angle of incidence at which reflected light is totally polarized f...

    Text Solution

    |